From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8235FC4332F for ; Tue, 29 Nov 2022 20:42:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235700AbiK2UmR (ORCPT ); Tue, 29 Nov 2022 15:42:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43868 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233743AbiK2UmP (ORCPT ); Tue, 29 Nov 2022 15:42:15 -0500 Received: from mail-wr1-x434.google.com (mail-wr1-x434.google.com [IPv6:2a00:1450:4864:20::434]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8111B686BD for ; Tue, 29 Nov 2022 12:42:11 -0800 (PST) Received: by mail-wr1-x434.google.com with SMTP id f18so1919357wrj.5 for ; Tue, 29 Nov 2022 12:42:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=8EO/iBn+Kz4LZYsqgSKAVubhb3HOd7XwQh+OilVQjQI=; b=WOh9KOHshl8A7sNNjJtkjRU9wlzU1nJU3slgmVpVfnNSgerNuqenyqndAcpXQG2ErV Q7JTJikDBLlrbPc3kyTyPhJzKZsNnG0XWjFjgFb8BI7s4HHYJq2uRyRm/8ScPEQ3RK5e DvzfBWfbLu+tK1TY470smGe8RPaAjZ8iYMpBw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=8EO/iBn+Kz4LZYsqgSKAVubhb3HOd7XwQh+OilVQjQI=; b=uO/by0/+witJE3hVnTQ0m6AyYZiyrDfPEYIgdXhcX1ssWo1NKy7o/cVfeDkcDQY/jf K2jv4r71+7D3MyrkQrOXjVIx2Yvzz/tUq4v53UzIGcjh8gCs/iPYFbM86qz9/xh+0rgW 4TpF6fxPzJd+4MCtE/VB0K9s0hv3KBoB0m6rf0hCFp8+gENDr2aQcn8K2qAu1qUS7oJt merEYnHVtfcWBH71QaOT98gIhM3thvQi7vJS3/zHWLKD2UY1h3EhxX0+9JXi8OzEpzJB bk4kLz7SFcZYsQGC1p2l15P+ywJIyn9/TSl5Gp8VDaR+mJdaoHEILz9HqVH8ELZ/ZQMQ VDxQ== X-Gm-Message-State: ANoB5plgsalDNQMlN2Mfij2Ul5i3xf9P4ukIea0l0cHcdukx1n/4p8qd xlcxR4JSW7BT1g5CODgRIuxMh9hEc8cPLpkzwM8H8xD/MYs= X-Google-Smtp-Source: AA0mqf7fzBSG3y1qSQUpRGkheMiVVcnp6Rgf0hhNbzaOKbOX8QES+nB6JrhaxieTqItVqoFRijPIq1Lcf0fCFwj+uaw= X-Received: by 2002:a05:6000:170d:b0:242:68c:c98 with SMTP id n13-20020a056000170d00b00242068c0c98mr14905182wrc.385.1669754529883; Tue, 29 Nov 2022 12:42:09 -0800 (PST) MIME-Version: 1.0 References: <20221129200653.962019-1-lixiaoyan@google.com> <20221129200653.962019-2-lixiaoyan@google.com> In-Reply-To: <20221129200653.962019-2-lixiaoyan@google.com> From: Michael Chan Date: Tue, 29 Nov 2022 12:41:58 -0800 Message-ID: Subject: Re: [RFC net-next v3 2/2] bnxt: Use generic HBH removal helper in tx path To: Coco Li Cc: "David S. Miller" , Hideaki YOSHIFUJI , David Ahern , Eric Dumazet , Jakub Kicinski , Paolo Abeni , netdev@vger.kernel.org, Daisuke Nishimura , linux-kernel@vger.kernel.org Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000a3b09c05eea205fc" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org --000000000000a3b09c05eea205fc Content-Type: text/plain; charset="UTF-8" On Tue, Nov 29, 2022 at 12:07 PM Coco Li wrote: > diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c > index 0fe164b42c5d..f144a5ef2e04 100644 > --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c > +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c > @@ -389,6 +389,9 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev) > return NETDEV_TX_BUSY; > } > > + if (unlikely(ipv6_hopopt_jumbo_remove(skb))) > + goto tx_free; > + > length = skb->len; > len = skb_headlen(skb); > last_frag = skb_shinfo(skb)->nr_frags; > @@ -11342,9 +11345,15 @@ static bool bnxt_exthdr_check(struct bnxt *bp, struct sk_buff *skb, int nw_off, > > if (hdrlen > 64) > return false; > + > + /* The ext header may be a hop-by-hop header inserted for > + * big TCP purposes. This will be removed before sending > + * from NIC, so do not count it. > + */ > + if (!(*nexthdr == NEXTHDR_HOP && ipv6_has_hopopt_jumbo(skb))) To be more efficient, why not just check the header's tlv_type here instead of calling ipv6_has_hopopt_jumbo()? > + hdr_count++; > nexthdr = &hp->nexthdr; > start += hdrlen; > - hdr_count++; > } > if (nextp) { > /* Caller will check inner protocol */ > @@ -13657,6 +13666,8 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) > dev->features &= ~NETIF_F_LRO; > dev->priv_flags |= IFF_UNICAST_FLT; > > + netif_set_tso_max_size(dev, GSO_MAX_SIZE); > + > #ifdef CONFIG_BNXT_SRIOV > init_waitqueue_head(&bp->sriov_cfg_wait); > #endif > -- > 2.38.1.584.g0f3c55d4c2-goog > --000000000000a3b09c05eea205fc Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature 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